INSC of Ukraine

Rivne Unit #3

Fuel and cladding

Fuel UO2 pellet
Cladding Zr/1%Nb
Enrichment Initial: 3.0/4.4 %
Pellet Outer Diameter 7.57 mm
Pellet Inner Diameter 1.4/1.6 mm
Pellet's Cover Inner Diameter 7.72 mm
Pin Height 3837 mm
Pin Outside Diameter 9.1 mm

Fuel Assemblies

Number of Rods per Assembly 312
Rod Pitch 12.75 mm
Fuel Weight per Assembly 4554.5 kg
Fuel Assembly Pitch 467 cm

Core Configuration

Active Core Height 3.53 m
Active Core Diameter 3.16 m
Campaign 3-4 years
Reactivity Control Boric Acid
Number of Fuel Assemblies 163
Configuration of Assemblies Hexagon

Control System

Control Rod Drive Type el/mag
Number of Control Rods per Assembly 61
Number of Control Banks 10
Absorbate Borated Steel

Primary Coolant

Coolant Material H2O
Pressure at outlet from Core 15.7 MPa
Core Inlet Temperature 287 deg C
Core Outlet Temperature 320 deg C
Number of Loops 4


Number of Turbines 1
Turbine Speed 1500 rev/min
Turbine Rating 1000 MWe

Vessel and Containment

Vessel Material 15X2NMFA
Height 10.897 m
Weight 376500 kg
Inner Diameter 4.07 m
Wall Thickness 0.20 m

Last modyfied: 24.03.2006 Please contact the webauthor if any questions